/* ==========================================================================
   El Aula de Jere — hoja de estilos única
   ========================================================================== */

@font-face {
  font-family: "Big Shoulders Display";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../assets/fonts/BigShouldersDisplay-Variable.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../assets/fonts/Inter-Variable.woff2") format("woff2");
}

:root{
  /* marca */
  --navy: #16305C;
  --navy-deep: #0F2547;
  --navy-light: #1B3A6B;
  --cream: #F3EEDD;
  --mustard: #E3CE4E;

  /* derivados */
  --line: rgba(243,238,221,0.14);
  --line-strong: rgba(243,238,221,0.24);
  --cream-70: rgba(243,238,221,0.75);
  --cream-55: rgba(243,238,221,0.58);
  --mustard-15: rgba(227,206,78,0.15);
  --mustard-30: rgba(227,206,78,0.3);

  /* tipografia */
  --font-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif;

  /* layout */
  --container: 1160px;
  --header-h: 72px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-soft: 0 10px 30px rgba(6,14,30,0.35);
  --shadow-lift: 0 18px 40px rgba(6,14,30,0.45);
}

/* ---------- reset ---------- */
*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background: var(--navy-deep);
  color: var(--cream);
  font-family: var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ margin:0; }
button{ font:inherit; }
:focus-visible{ outline:2px solid var(--mustard); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
    scroll-behavior:auto !important;
  }
}

.container{
  max-width: var(--container);
  margin:0 auto;
  padding: 0 24px;
}

/* blueprint grid texture, sits under every section */
body{
  background-color: var(--navy-deep);
  background-image:
    linear-gradient(rgba(243,238,221,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(243,238,221,0.045) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ---------- tipografia compartida ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color: var(--mustard);
  font-weight:700;
  margin:0 0 12px;
}
h2.section-title{
  font-family: var(--font-display);
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:0.01em;
  line-height:0.98;
  font-size: clamp(30px, 5vw, 46px);
  text-wrap:balance;
  margin:0 0 14px;
}
.section-lead{
  color: var(--cream-70);
  font-size:15.5px;
  line-height:1.6;
  max-width:56ch;
}
.k{ color:var(--mustard); }
.section-head{ margin-bottom:36px; }
.section-head.center{ text-align:center; }
.section-head.center .section-lead{ margin-inline:auto; }

section{
  position:relative;
  padding: 84px 0;
  border-bottom:1px solid var(--line);
  scroll-margin-top: var(--header-h);
}
section:last-of-type{ border-bottom:none; }

@media(max-width:639px){
  section{ padding: 64px 0; }
}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family: var(--font-body);
  font-weight:700;
  font-size:15px;
  padding:14px 28px;
  border-radius:12px;
  text-decoration:none;
  border:1.5px solid transparent;
  cursor:pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}
.btn:active{ transform:scale(0.97); }
.btn-primary{
  background: var(--mustard);
  color: var(--navy-deep);
  box-shadow: 0 10px 24px rgba(227,206,78,0.22);
}
.btn-primary:hover{ box-shadow: 0 14px 30px rgba(227,206,78,0.34); }
.btn-ghost{
  background: transparent;
  border-color: var(--line-strong);
  color: var(--cream);
}
.btn-ghost:hover{ border-color: var(--mustard); color: var(--mustard); }

@keyframes ctaPulse{
  0%,100%{ box-shadow:0 0 0 0 rgba(227,206,78,0.45), 0 10px 24px rgba(227,206,78,0.22); }
  50%{ box-shadow:0 0 0 10px rgba(227,206,78,0), 0 10px 24px rgba(227,206,78,0.22); }
}
.btn-pulse{ animation: ctaPulse 2.6s ease-out infinite; }

/* ---------- reveal on scroll ---------- */
.reveal{
  opacity:0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(.16,.8,.3,1), transform 0.7s cubic-bezier(.16,.8,.3,1);
}
.reveal.in{ opacity:1; transform:translateY(0); }
.no-js .reveal{ opacity:1; transform:none; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  height: var(--header-h);
  display:flex;
  align-items:center;
  background: rgba(15,37,71,0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}
.site-header.scrolled{
  background: rgba(15,37,71,0.92);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.brand img{ height:40px; width:40px; border-radius:9px; }
.brand span{
  font-family: var(--font-display);
  font-weight:800;
  font-size:15px;
  letter-spacing:0.01em;
  text-transform:uppercase;
  color: var(--cream);
  line-height:1.05;
}

.nav-links{
  display:none;
  align-items:center;
  gap:30px;
  font-size:14px;
  font-weight:600;
}
.nav-links a{
  text-decoration:none;
  color: var(--cream-70);
  position:relative;
  padding:6px 2px;
  transition:color 0.2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0; bottom:-2px;
  width:0%;
  height:2px;
  background:var(--mustard);
  transition:width 0.25s ease;
}
.nav-links a:hover{ color:var(--cream); }
.nav-links a.active{ color:var(--mustard); }
.nav-links a.active::after{ width:100%; }

.header-cta{ display:none; }

.burger{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:26px;
  height:26px;
  background:none;
  border:none;
  cursor:pointer;
  padding:0;
}
.burger span{
  display:block;
  height:2.5px;
  border-radius:2px;
  background: var(--mustard);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.burger span:nth-child(1){ width:100%; }
.burger span:nth-child(2){ width:70%; margin-left:auto; }
.burger span:nth-child(3){ width:100%; }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7.5px) rotate(45deg); width:100%; }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7.5px) rotate(-45deg); width:100%; }

.mobile-nav{
  position:fixed;
  top: var(--header-h);
  right:0;
  left:0;
  height: calc(100vh - var(--header-h));
  height: calc(100dvh - var(--header-h));
  background: rgba(15,37,71,0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index:99;
  display:flex;
  flex-direction:column;
  padding: 28px 24px;
  gap:4px;
  overflow-y:auto;
  transform: translateY(-12px);
  opacity:0;
  pointer-events:none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.mobile-nav.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
.mobile-nav a{
  text-decoration:none;
  color:var(--cream);
  font-family: var(--font-display);
  font-weight:700;
  text-transform:uppercase;
  font-size:26px;
  padding:14px 4px;
  border-bottom:1px solid var(--line);
}
.mobile-nav .btn{ margin-top:20px; justify-content:center; }

@media(min-width:900px){
  .nav-links{ display:flex; }
  .header-cta{ display:inline-flex; }
  .burger, .mobile-nav{ display:none; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  padding-top:64px;
  overflow:hidden;
  background: linear-gradient(180deg, rgba(22,48,92,0.55), rgba(15,37,71,0));
}
.hero .container{
  display:grid;
  grid-template-columns:1fr;
  gap:48px;
  align-items:center;
}
.hero-copy{ text-align:center; }
.hero-copy .tag-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background: var(--mustard-15);
  border:1px solid var(--mustard-30);
  color: var(--mustard);
  font-size:12.5px;
  font-weight:700;
  padding:7px 14px;
  border-radius:99px;
  margin-bottom:20px;
}
.hero h1{
  font-family: var(--font-display);
  font-weight:800;
  text-transform:uppercase;
  font-size: clamp(40px, 8vw, 76px);
  line-height:0.96;
  letter-spacing:0.005em;
  text-wrap:balance;
  margin:0 0 20px;
}
.hero-sub{
  color: var(--cream-70);
  font-size: clamp(15px,2vw,18px);
  line-height:1.65;
  max-width:52ch;
  margin:0 auto 30px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  margin-bottom:10px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:20px;
  margin-top:34px;
  font-size:13px;
  color: var(--cream-55);
}
.hero-meta span{ display:inline-flex; align-items:center; gap:7px; }
.hero-meta b{ color:var(--cream); font-weight:700; }

.hero-visual{
  position:relative;
  display:flex;
  justify-content:center;
}
@keyframes floatY{
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-14px); }
}
@keyframes glowPulse{
  0%,100%{ opacity:0.5; transform:translate(-50%,-50%) scale(1); }
  50%{ opacity:0.85; transform:translate(-50%,-50%) scale(1.1); }
}
.hero-visual::before{
  content:"";
  position:absolute;
  top:50%; left:50%;
  width:380px; height:380px;
  background: radial-gradient(circle, rgba(227,206,78,0.32), transparent 70%);
  filter:blur(10px);
  transform:translate(-50%,-50%);
  animation: glowPulse 5s ease-in-out infinite;
  z-index:0;
}
.hero-visual img{
  position:relative;
  z-index:1;
  width:min(78vw, 380px);
  animation: floatY 4.5s ease-in-out infinite;
  filter: drop-shadow(0 24px 34px rgba(0,0,0,0.4));
}

@media(min-width:860px){
  .hero .container{ grid-template-columns:1.1fr 0.9fr; text-align:left; gap:40px;}
  .hero-copy{ text-align:left; }
  .hero-sub{ margin:0 0 30px; }
  .hero-actions{ justify-content:flex-start; }
  .hero-meta{ justify-content:flex-start; }
}

/* ==========================================================================
   QUIEN SOY
   ========================================================================== */
.quien{ background: rgba(27,58,107,0.35); }
.quien-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:center;
}
.quien-photo-wrap{ display:flex; justify-content:center; }
.quien-photo-wrap img{
  width:220px;
  height:220px;
  object-fit:cover;
  object-position:50% 42%;
  border:3px solid var(--mustard);
  border-radius: 42% 58% 65% 35% / 45% 40% 60% 55%;
  box-shadow: var(--shadow-lift);
}
.quien-text{ text-align:center; }
.quien-facts{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:22px;
  max-width:46ch;
  margin-inline:auto;
}
.quien-facts li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color: var(--cream-70);
  text-align:left;
}
.quien-facts .ic{ color:var(--mustard); flex-shrink:0; }

@media(min-width:860px){
  .quien-grid{ grid-template-columns:280px 1fr; text-align:left; gap:56px; }
  .quien-text{ text-align:left; }
  .quien-facts{ margin-inline:0; }
}

/* ==========================================================================
   MATERIAS
   ========================================================================== */
.materias-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.materia-card{
  --rot:0deg;
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  background: linear-gradient(135deg, rgba(227,206,78,0.08), rgba(255,255,255,0.025));
  border:1px solid var(--line);
  border-left:4px solid var(--mustard);
  border-radius: var(--radius-md);
  padding:20px 22px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.2);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.materia-card::before, .materia-card::after{
  content:"";
  position:absolute;
  width:11px; height:11px;
  border-top:1.5px solid rgba(227,206,78,0.45);
  border-left:1.5px solid rgba(227,206,78,0.45);
  top:7px; left:7px;
}
.materia-card::after{
  top:auto; left:auto; bottom:7px; right:7px;
  border-top:none; border-left:none;
  border-bottom:1.5px solid rgba(227,206,78,0.45);
  border-right:1.5px solid rgba(227,206,78,0.45);
}
.materia-card.single{ border-left-color: var(--line-strong); background: rgba(255,255,255,0.03); }
.materia-card:nth-child(odd){ --rot:-0.9deg; }
.materia-card:nth-child(even){ --rot:0.9deg; }
.materia-card.reveal{ transform: translateY(20px) rotate(0deg); }
.materia-card.reveal.in{ transform: translateY(0) rotate(var(--rot)); }
.materia-card.reveal.in:hover{
  transform: translateY(-4px) rotate(0deg) scale(1.015);
  box-shadow: 0 16px 32px rgba(0,0,0,0.32);
}
.materia-icon{
  width:52px; height:52px;
  flex-shrink:0;
  border-radius:50%;
  background: var(--mustard-15);
  border:1px solid var(--mustard-30);
  display:flex; align-items:center; justify-content:center;
  font-size:22px;
}
.materia-info{ flex:1; min-width:0; }
.materia-name{ font-weight:700; font-size:17px; }
.materia-sub{ font-size:12.5px; color: var(--cream-55); margin-top:3px; }
.materia-levels{ display:flex; gap:6px; flex-shrink:0; }
.materia-levels span{
  width:26px; height:26px;
  border-radius:8px;
  background: var(--mustard);
  color: var(--navy-deep);
  font-weight:800;
  font-size:13px;
  display:flex; align-items:center; justify-content:center;
}

@media(min-width:640px){
  .materias-grid{ grid-template-columns:1fr 1fr; }
}

/* ==========================================================================
   COMO FUNCIONA
   ========================================================================== */
.incluye-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.incluye-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background: rgba(255,255,255,0.03);
  border:1px solid var(--line);
  border-radius: var(--radius-md);
  padding:20px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.incluye-item:hover{ transform:translateY(-3px); border-color: var(--mustard-30); }
.incluye-item .ic{
  width:40px; height:40px;
  flex-shrink:0;
  border-radius:11px;
  background: var(--mustard-15);
  color: var(--mustard);
  display:flex; align-items:center; justify-content:center;
  font-size:18px;
}
.incluye-item h3{ font-size:15.5px; font-weight:700; margin:2px 0 4px; }
.incluye-item p{ margin:0; font-size:13.5px; color: var(--cream-55); line-height:1.5; }

@media(min-width:640px){ .incluye-grid{ grid-template-columns:1fr 1fr; } }

/* ==========================================================================
   MODALIDADES
   ========================================================================== */
.modalidad-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  margin-top:8px;
}
@keyframes modGlow{
  0%,100%{ box-shadow: 0 18px 36px rgba(227,206,78,0.16); }
  50%{ box-shadow: 0 18px 44px rgba(227,206,78,0.32); }
}
.mod-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:18px;
  border-radius: var(--radius-lg);
  padding:30px 24px 26px;
}
.mod-card.recommended{
  padding-top:38px;
  order:-1;
  background: linear-gradient(160deg, rgba(227,206,78,0.16), rgba(227,206,78,0.03));
  border:1.5px solid var(--mustard);
  animation: modGlow 3.4s ease-in-out infinite;
}
.mod-card.plain{
  background: rgba(255,255,255,0.03);
  border:1px solid var(--line);
}
.mod-badge{
  position:absolute; top:-13px; left:24px;
  background:var(--mustard); color:var(--navy-deep);
  font-size:11px; font-weight:800; letter-spacing:0.06em;
  padding:6px 14px; border-radius:99px;
}
.mod-head{ display:flex; align-items:center; gap:14px; }
.mod-icon{
  width:52px; height:52px; border-radius:50%; flex-shrink:0;
  display:flex; align-items:center; justify-content:center; font-size:22px;
  background: rgba(255,255,255,0.06); border:1px solid var(--line);
}
.mod-card.recommended .mod-icon{ background: rgba(227,206,78,0.22); border-color: var(--mustard-30); }
.mod-title{ font-family:var(--font-display); font-weight:800; font-size:21px; text-transform:uppercase; line-height:1.1; }
.mod-title-sub{ font-size:12.5px; color:var(--mustard); font-weight:700; margin-top:4px; }
.mod-desc{ font-size:14px; color:var(--cream-70); line-height:1.6; margin:0; padding-top:16px; border-top:1px dashed var(--line); }
.mod-list{ display:flex; flex-direction:column; gap:12px; padding-top:16px; border-top:1px dashed var(--line); }
.mod-list li{ display:flex; gap:11px; align-items:flex-start; font-size:13.5px; line-height:1.55; color:var(--cream); }
.mod-list .check, .mod-list .cross{
  width:22px; height:22px; border-radius:7px; flex-shrink:0; margin-top:1px;
  display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:800;
}
.mod-list .check{ background: rgba(227,206,78,0.2); color:var(--mustard); }
.mod-list .cross{ background: rgba(255,255,255,0.05); color: rgba(243,238,221,0.38); }
.mod-note{ font-style:italic; font-size:12.5px; color:var(--cream-55); margin:0; padding-top:16px; border-top:1px dashed var(--line); line-height:1.55; }
.mod-close{ text-align:center; margin-top:48px; }
.mod-close p{ margin:0 0 16px; color:var(--cream-70); }

@media(min-width:900px){
  .modalidad-grid{ grid-template-columns:repeat(3,1fr); align-items:stretch; }
  .mod-card.recommended{ order:0; transform: scale(1.045); }
}

/* ==========================================================================
   CAMPUS VIRTUAL
   ========================================================================== */
.campus{ background: rgba(27,58,107,0.35); }
.campus .container{ display:grid; grid-template-columns:1fr; gap:44px; align-items:center; }
.campus-mock{
  background: var(--navy-deep);
  border:1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow:hidden;
  box-shadow: var(--shadow-lift);
}
.campus-mock-bar{ display:flex; gap:6px; padding:14px 18px; background: rgba(255,255,255,0.04); border-bottom:1px solid var(--line); }
.campus-mock-bar span{ width:10px; height:10px; border-radius:50%; background: rgba(243,238,221,0.25); }
.campus-mock-bar span:first-child{ background: var(--mustard); }
.campus-feature{
  display:flex; gap:14px; align-items:center;
  padding:17px 20px; font-size:14.5px; font-weight:600;
  border-bottom:1px solid var(--line);
}
.campus-feature:last-child{ border-bottom:none; }
.campus-feature .ic{ color:var(--mustard); font-size:18px; width:24px; text-align:center; }
.campus-note{ font-size:13px; color:var(--cream-55); margin-top:18px; line-height:1.6; }

@media(min-width:900px){ .campus .container{ grid-template-columns:1fr 1fr; } }

/* ==========================================================================
   TESTIMONIOS
   ========================================================================== */
.testi-stats{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:32px; max-width:520px; }
.stat-tile{
  background: var(--mustard-15);
  border:1px solid var(--mustard-30);
  border-radius: var(--radius-md);
  padding:24px 14px;
  text-align:center;
}
.stat-tile .num{
  display:block; font-family:var(--font-display); font-weight:800;
  font-size: clamp(30px,4vw,40px); color:var(--mustard); font-variant-numeric:tabular-nums;
}
.stat-tile .lbl{ display:block; font-size:12.5px; color:var(--cream-70); margin-top:6px; line-height:1.4; }

.testi-grid{ display:grid; grid-template-columns:1fr; gap:18px; }
.testi-card{
  background: rgba(255,255,255,0.04);
  border:1px solid var(--line);
  border-radius: var(--radius-md);
  padding:24px;
  font-size:14.5px;
  font-style:italic;
  color: var(--cream-70);
  line-height:1.6;
}
.testi-card cite{ display:block; margin-top:14px; font-style:normal; font-size:12.5px; font-weight:700; color:var(--mustard); }

@media(min-width:640px){ .testi-grid{ grid-template-columns:1fr 1fr; } }

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.container.contacto{ display:grid; grid-template-columns:1fr; gap:40px; align-items:start; }
.contact-list{ display:flex; flex-direction:column; gap:14px; }
.contact-list a, .contact-list .row{
  display:flex; align-items:center; gap:14px;
  background: rgba(255,255,255,0.03);
  border:1px solid var(--line);
  padding:16px 18px;
  border-radius: var(--radius-md);
  text-decoration:none;
  color: var(--cream);
  font-size:14.5px;
  font-weight:600;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.contact-list a:hover{ border-color: var(--mustard-30); transform:translateX(3px); }
.contact-list .ic{
  width:38px; height:38px; flex-shrink:0; border-radius:10px;
  background: var(--mustard-15); color:var(--mustard);
  display:flex; align-items:center; justify-content:center; font-size:17px;
}
.contact-card{
  background: linear-gradient(150deg, rgba(227,206,78,0.12), rgba(255,255,255,0.02));
  border:1px solid var(--mustard-30);
  border-radius: var(--radius-lg);
  padding:30px;
  text-align:center;
}
.contact-card p{ color:var(--cream-70); font-size:14.5px; margin:0 0 20px; line-height:1.6; }

@media(min-width:900px){ .container.contacto{ grid-template-columns:1fr 1fr; } }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{ padding:40px 0 120px; text-align:center; }
.site-footer .brand{ justify-content:center; margin-bottom:14px; }
.site-footer p{ color:var(--cream-55); font-size:13px; margin:6px 0; }
.footer-social{ display:flex; justify-content:center; gap:16px; margin:18px 0; }
.footer-social a{
  width:38px; height:38px; border-radius:50%;
  border:1px solid var(--line-strong);
  display:flex; align-items:center; justify-content:center;
  text-decoration:none; color:var(--cream); font-size:16px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.footer-social a:hover{ border-color:var(--mustard); color:var(--mustard); }

/* ==========================================================================
   WHATSAPP FLOTANTE
   ========================================================================== */
@keyframes pulseRing{
  0%{ transform:scale(0.85); opacity:0.6; }
  70%{ transform:scale(1.6); opacity:0; }
  100%{ opacity:0; }
}
.wa-float{
  position:fixed;
  bottom:22px; right:22px;
  z-index:90;
  width:58px; height:58px;
  border-radius:50%;
  background:#25D366;
  display:flex; align-items:center; justify-content:center;
  font-size:26px;
  text-decoration:none;
  box-shadow: 0 10px 26px rgba(0,0,0,0.45);
  transition: transform 0.2s ease;
}
.wa-float:hover{ transform:scale(1.06); }
.wa-float:active{ transform:scale(0.94); }
.wa-float::after{
  content:"";
  position:absolute; inset:-8px;
  border-radius:50%;
  border:2px solid #25D366;
  animation: pulseRing 2.4s ease-out infinite;
  pointer-events:none;
}

/* skip link (a11y) */
.skip-link{
  position:absolute; left:-9999px; top:0;
  background:var(--mustard); color:var(--navy-deep);
  padding:12px 18px; border-radius:0 0 10px 0;
  font-weight:700; z-index:200; text-decoration:none;
}
.skip-link:focus{ left:0; }